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138E-150-How Big It Is
Asteroids are moving points of light in the night sky, which shine by reflected Sun light. The asteroid hunting community determines a new object's orbit around the Sun by continuing to measure its …
Published on 4 years, 5 months ago
649-30 Days of Traffic
During a recent 30 day period asteroid hunters spotted 88 small space rocks passing through our neighborhood. Their diameters ranged from the length of a Uhaul Van to one that would occupy the major…
Published on 4 years, 5 months ago
137E-149-Near Venus to Past Jupiter
About a month before my Catalina Sky Survey teammate Rik Hill spotted it, a 5 football field diameter asteroid had been almost as near to the Sun as the planet Venus. His discovery images showed it…
Published on 4 years, 5 months ago
648-Smoky Nights
Until recently smoky nights at the observatory were rare. Now they have become more common place as wild fires continue to devastate portions of the western United States. The consequences of expande…
Published on 4 years, 5 months ago
136E-148-Radio Eyes
If you woke up tomorrow morning with radio eyes your surroundings would look very different. Invisible to us, are the radio waves occupying a vast region of other wavelengths.These invisible radio wa…
Published on 4 years, 5 months ago
647-Vigilance
A break in the weather provides the opportunity to discover an Earth approaching object.
Published on 4 years, 5 months ago
135E-147-High Traffic Area
Francesco Manca of the Sormano Astronomical Observatory is doing some of the important work of keeping track of the asteroids which can make close approaches to our Earth, our Moon, and other objects…
Published on 4 years, 6 months ago
646-Young Martian Volcanoes
Relatively recent volcanic activity observed on Mars suggests that where subsurface martian magma and frozen water meet is where microbial life could flourish in the current era.
Published on 4 years, 6 months ago
134E-146-Stuff Of Life
Evidence from comets and meteorites has brought many scientists to believe that the basic building blocks of life were brought to Earth by small bodies which impacted our home planet early in its his…
Published on 4 years, 6 months ago
645-Shrinking Stratosphere
As a result of human caused increases in green house gases the troposphere is expanding and the stratosphere is shrinking. Between 1980 and 2018 the stratosphere has become a quarter of a mile thinn…
Published on 4 years, 6 months ago